The past leaves a trace.

James Holmes opened fire at a movie theater in Aurora, Colorado, killing 12 and injuring 70 others.

James Holmes opened fire at a movie theater in Aurora, Colorado, killing 12 and injuring 70 others.

Somali Airlines Flight 40 crashes in Balad, Somalia, killing 50 people.

Somali Airlines Flight 40 crashes in Balad, Somalia, killing 50 people.

Apollo 11 lands on the Moon

Apollo 11's lunar module Eagle lands on the Moon on July 20, 1969, at about 20:17 UTC, with Neil Armstrong and Buzz Aldrin aboard.

Armstrong and Aldrin descended to the lunar surface in Eagle while Michael Collins remained in lunar orbit aboard the command module Columbia. Their successful landing made Apollo 11 the first crewed mission to reach the Moon's surface.

The landing and the first step occurred on different UTC dates. NASA's event timeline places the landing at 20:17 UTC on July 20 and Armstrong's first step at 02:56 UTC on July 21. In U.S. Eastern Daylight Time, both events fell on July 20.

Austro-Prussian War: Battle of Lissa: The Austrian Navy, led by Admiral Wilhelm von Tegetthoff, defeats…

Austro-Prussian War: Battle of Lissa: The Austrian Navy, led by Admiral Wilhelm von Tegetthoff, defeats the Italian Navy near the island of Vis in the Adriatic Sea.

Birth of Pope Innocent IX

Born: Pope Innocent IX (died 1591).

Death of Boniface VII

Died: Boniface VII, antipope of Rome.

Consecration of pope Hormisdas following the death of pope Symmachus the previous day.

Consecration of pope Hormisdas following the death of pope Symmachus the previous day.

Siege of Jerusalem: Titus, son of emperor Vespasian, storms the Fortress of Antonia north of the Temple…

Siege of Jerusalem: Titus, son of emperor Vespasian, storms the Fortress of Antonia north of the Temple Mount. The Roman army is drawn into street fights with the Zealots.